The Persians around the time of king Xerxes invented the Persian mail system, similar to the American pony express.
The ancient civilization that is credited with inventing the clock is the Sumerians. They were thought to have created the clock's hour system with 24 hours and 60 minutes and the first clock prototypes known as sundials.
The civilization that developed a system of writing using hieroglyphs is the Egyptian civilization. They were very advanced with their writing system.
The Latin language and its alphabet.
The Sumerians of Mesopotamia, they developed cuneiform. They also invented the wheel and a number system based on 60.
I think the greatest ancient civilization was aryan civilization and specially persian . because they offered the first empire and political system to the international community and Cyrus the great was first one who wrote Charter of Human Rights . they never didn't allow romans come to the east . they were greatest
waren hesting
The first postal service, which was used only by government, was in China. 900 BC
The ancient civilization that is credited with inventing the clock is the Sumerians. They were thought to have created the clock's hour system with 24 hours and 60 minutes and the first clock prototypes known as sundials.
The civilization that developed a system of writing using hieroglyphs is the Egyptian civilization. They were very advanced with their writing system.
Roman civilization
Actually hieroglyphic writing was invented more than once. The first and most famous instance was in ancient Egypt, some time before 3000 B.C. Independently but sometime later (between 650 and 500 B.C.), the Olmec or Zapotec civilization of Mesoamerica also invented a hieroglyphic writing system.
Persia , though this is still a point of conjecture as to who first employed these means of transmitting mail through a recognizable postal system .
ancient Egypt people
Benjamin Franklin invented bifocal eyeglasses and a clean burning stove. He also played a key role in developing the U.S. postal system.
The Latin language and its alphabet.
The postal system to deliver written messages was invented by the Chinese in 900 BC.
system of writing .starsuite